Ionization energy is:

The amount of energy required to remove an electron

Write the electron configuration for Mo.

1s22s22p63s23p64s23d104p65s14d5

Which of the following discoveries was NOT part of Rutherford's findings?

alpha particles have a positive charge

In terms of precision, what do we measure...

how close a series of measurements are to each other

Half the distance between the nuclei of two identical Atoms

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Final Exam Review

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Answers

1
Which part of an atom cannot have its location accurately determined?
nucleus
electron
neutron
proton
2
Using the periodic table, determine the number of neutrons in ⁶⁵Zn.
65
30
95
35
3
Conductivity is a...
Physical Property
Chemical Property
4
Isopropyl alcohol (rubbing alcohol) evaporates off of your skin.
Physical Change
Chemical Change
5
matter with a charge
liquid
gas
solid
plasma
6
cough medicine that you have to shake before using
heterogeneous mixture
element
homogeneous mixture
compound
7
Which of the following is true concerning the noble gases?
They are sometimes referred to as the inert gases.
all of the above
They belong to Group 18.
Except for He, their ending electron distribution is s2p6.
8
Ionization energy is:
The max # of electrons in the outer distribution of an atom
Half the distance between the nuclei of two identical Atoms
The energy absorbed or released in order to add an electron
The amount of energy required to remove an electron
9
Write the electron configuration for Mo.
1s22s22p63s23p64s23d104p65s24d4
1s22s22p63s23p64s23d104p65s24d5
1s22s22p63s23p64s23d104p65s14d10
1s22s22p63s23p64s23d104p65s14d5
10
has a definite composition
mixture
pure substance
11
Which of the following discoveries was NOT part of Rutherford's findings?
the electrons orbit the nucleus like planets orbit the sun
alpha particles have a positive charge
the atom is mostly empty space
the atom has a small, dense center
12
Convert 48^oC to Kelvin.
13,104 K
-225 K
0.176 K
321 K
13
Of the following elements, which one would have the highest ionization energy?
Potassium
Hydrogen
Sodium
Cesium
14
Which group forms a charge of +2 ions?
alkali metal family
alkaline earth metal family
noble gas family
halogen family
15
helium (He)
element
homogeneous mixture
compound
heterogeneous mixture
16
A vertical column of elements is called a
Series
Formation
Group
Period
17
Density of Cu is 8.96 g/cm³. A sheet of Cu is 10.3 cm, 6.1 cm, and 1.4 cm, what is the mass?
0.10 g
14.3 g
788.1 g
9.8 g
18
What subatomic particle is positively charged and found in the nucleus?
proton
beta particle
electron
neutron
19
In terms of precision, what do we measure...
how close to the true value
how close a series of measurements are to each other
on point
20
Transition metals in the fourth period fill the _____ orbital.
3p
4s
3d
4f
21
A horizontal row of elements is called a
Period
Family
Series
Group
22
oxygen (O)
heterogeneous mixture
element
homogeneous mixture
compound
23
Density is a...
Physical Property
Chemical Property
24
A bowl of ice cream melts in the sun.
Chemical Change
Physical Change
25
Which group includes Ca, Mg, and Ba?
alkaline earth family
noble gas family
alkali metal family
halogen family
26
What is the maxium number of electrons that can fit in the fourth energy level?
32
18
8
28
27
Of the following elements, which has the highest electron affinity?
Sulfur
Aluminum
Sodium
Chlorine
28
Atomic radius is:
Half the distance between the nuclei of two identical Atoms
The energy absorbed or released in order to add an electron
The max # of electrons in the outer distribution of the atom
The amount of energy required to remove an electron
29
Many metals have the ability to react with HCl and CuCl₂.
Physical Property
Chemical Property
30
Zinc metal reacts with CuCl₂ to produce zinc chloride and copper metal.
Physical Change
Chemical Change
31
chicken noodle soup
element
heterogeneous mixture
compound
homogeneous mixture
32
The average male Siberian tiger has a mass of 315 kg.
Chemical Property
Physical Property
33
Water vapor condenses into water droplets.
Chemical Change
Physical Change
34
Of the following elements, which one would have the lowest ionization energy?
Boron
Lithium
Neon
Nitrogen
35
pizza
element
homogeneous mixture
heterogeneous mixture
compound
36
Melting point (MP), Boiling point (BP), Freezing Point (FP)
Extensive Property
Intensive Property
37
How many significant figures are in the following number: 0.0000123
8
3
5
7
38
Which sublevel has a shereical shape?
s
d
p
f
39
In terms of accuracy, what do we measure...
consistent
how close a series of measurement are to each other
close to the true value
40
Who created the plum pudding model of the atom?
Thomson
Dalton
Rutherford
Bohr
41
A car is rusting.
Physical Change
Chemical Change
42
Gatorade
heterogeneous mixture
compound
element
homogeneous mixture
43
Calculate the percent error of the following: A_v= 58.9 E_v=49.3
16.3%
-19.5%
-16.3%
19.5%
44
If the density of an object is 0.304 g/cm³and the volume 67.8 cm³, what is the mass?
223 g
0.004 g
2.67 g
20.6 g
45
The modern periodic table is arranged in order of increasing atomic ______?
Radius
Charge
Mass
Number
46
The density of gasoline is 0.690 g/cm³. The volume is 234.5 L. What is the mass?
339,855 g
161.805 g
161,805 g
0.0029 g
47
In this atomic model, the exact location of an electron cannot be predicted.
Quantum Mechanical Model
J.J. Thomson
Rutherford
Bohr
48
Who believed in orbital of different shapes?
Bohr
Dalton
Rutherford
Schrodinger
49
Solubility is a...
Physical Property
Chemical Property
50
A student is shooting paper into a trashcan. All 6 shots miss and land in 6 different places.
both, accurate and precise
neither, accurate or precise
only precise
only accurate
51
Scientist who conducted the cathode ray tube experiment to discover the electron:
Bohr
Rutherford
Dalton
Thomson
52
Write the electron configuration for Cr.
1s22s22p63s23p64s13d5
1s22s22p63s23p64s23d4
1s22s22p63s23p63d54s1
1s22s22p63s23p64s03d6
53
Who discovered the nucleus?
Thomson
Millikan
Rutherford
Dalton
54
Boron nitride is almost as hard as diamond and is used for glass and diamond cutting.
Chemical Property
Physical Property
55
sugar (C₆H₁₂O₆)
compound
homogeneous mixture
heterogeneous mixture
element
56
What is the maximum number of electrons that the "s" sublevel can hold?
10
2
14
6
57
Write the electron configuration for C.
1s22p22s2
1s22s22p6
1s22s22p63s2
1s22s22p2
58
Conductivity - degree to which a specified material conducts electricity
Intensive Property
Extensive Property
59
What is unique about the electron configurations of representative elements?
they have electrons present in the f sublevels
they have electrons present in the d sublevels
their s and p sublevels are completely filled
their s and p sublevels are partially filled
60
Luster is a...
Chemical Property
Physical Property
61
Daltons list of beliefs about atoms is called...
The Four Elements
Dalton's Documents
Dalton's Atomic Theory
Dalton's Revelations
62
Who proved that atoms existed?
JJ Thomson
Dalton
Democritus
Aristotle
63
What is the electron configuration for sodium?
1s22s22p63s1
1s22s9
1s22p22s7
1s22s22p63s2
64
the result of a chemical change
compound
mixture
65
What particles form the nucleus of an atom?
Protons and neutrons
Neutrons and electrons
Electrons only
Protons and electrons
66
Color of substance
Extensive Property
Intensive Property
67
The mass of a balloon is 4.56 g. The volume of the balloon is 34.2 cm³. What is the density?
156 g/cm3
0.133 g/cm3
7.5 g/cm3
4.58 g/cm3
68
The fact that hydrogen has one valence electron makes it similar to what family?
Noble gas
Alkaline earth metal
Halogen
Alkali metal
69
aluminum (Al)
heterogeneous mixture
element
compound
homogeneous mixture
70
brass (Cu mixed with Zn)
element
heterogeneous mixture
compound
homogeneous mixture
71
Of the following elements, which one would have the largest radius?
Potassium
Sodium
Cesium
Hydrogen
72
Round to the least precise measurement: 126.569 mL + 12.5 mL =
139.1 mL
139.069 mL
139.07 mL
139 mL
73
Convert 18 dekaseconds to deciseconds.
0.018 ds
180 ds
1,800 ds
0.18 ds
74
Who said that you can't predict the exact location of an electron?
Dalton
Schrodinger
Rutherford
Bohr
75
How does the energy of an electron change when it moves further from the nucleus?
It stays the same
It increases
It decreases
76
Gallium is a soft, silver-colored metal.
Physical Property
Chemical Property
77
How many orbital(s) does a "d" sublevel have?
7
3
1
5
78
Put the following number in scientific notation: 123.4
1.234 x 102
12.34 x 101
12.34 x 10-1
1.234 x 10-2
79
Who developed a mathematical equation to describe the location, energy, and shape of the electron orbitals?
Bohr
Rutherford
Dalton
Schrodinger
80
Round to the least precise measurement: 123.45 m - 104 m =
19.5 m
20 m
19 m
19.45 m
81
Which of the following elements would have the smallest atomic radius?
Chlorine
Bromine
fluorine
Iodine
82
If the mass of an object is 12.3 g and the volume is 40.3 cm³, what is the density?
495.69 g/cm3
0.31 g/cm3
3.28 g/cm3
26.7 g/cm3
83
calories
intensive
extensive
84
James Chadwick discovered the
proton
nucleus
neutron
electron
85
What scientist experimented with alpha particles and gold foil?
Dalton
Rutherford
Bohr
Chadwick
86
Which orbital would contain electrons with the greatest amount of energy?
3d
1s
2p
4s
87
What is the electron configuration for carbon?
1s22p22s2
1s22s22p63s2
1s22s22p2
1s22s4
88
The subatomic particle with a negative charge:
Cyclotron
Electron
Neutron
Proton
89
The elements in Group 8A, with the exception of He, have which outer electron configuration?
s4p4
s2p6
s2p4
s2p8
90
Who stated that the atom consisted of fixed, circular paths called orbitals.
Rutherford
Bohr
Dalton
Schrodinger
91
What did Aristotle believe about matter?
atoms make up all matter
atoms are indivisible
matter does not exist
there are four basic elements of matter
92
How many orbital(s) does a "p" sublevel have?
3
5
1
7
93
carbon dioxide (CO₂)
element
compound
homogeneous mixture
heterogeneous mixture
94
After a long hunt, Siberian tigers digest a typical meal of deer.
Chemical Change
Physical Change
95
What is the maximum number of electrons in the second principal energy level (2n²)?
8
18
2
32
96
Mountain Dew
element
compound
homogeneous mixture
heterogeneous mixture
97
Who stated that the energy levels of an atom resemble a ladder.
Dalton
Bohr
Schrodinger
Rutherford
98
Mass of substance
Intensive Property
Extensive Property
99
Weight
Intensive Property
Extensive Property
100
Identify the following element: 1s²2s²2p⁶3s²3p⁶4s²3d²
Ti
Ca
Sc
Cu
101
steel (Fe mixed with C)
element
homogeneous mixture
heterogeneous mixture
compound
102
Convert 525 K to Celsius.
143,325oC
252oC
1.92oC
798oC
103
What statement is NOT a part of Dalton's Atomic Theory?
Atoms of the same element are identical
Atoms form compounds in simple whole number ratios
Atoms are divisible
Atoms are combined, separated, and rearranged
104
bronze (Cu mixed with Sn)
homogeneous mixture
element
heterogeneous mixture
compound
105
water (H₂O)
compound
element
homogeneous mixture
heterogeneous mixture
106
Convert 15.6 Joules to calories.
3.72 cal
65.2 cal
65.3 cal
3.73 cal
107
Solve the following: (4.5 x 10³) + (7.6 x 10⁴)
8.05 x 104
8.05 x 10-4
80500
8.05 x 107
108
a physical blend
pure substance
mixture
109
How many neutrons does an atom of phosphorus have?
15
16
46
31
110
This scientist developed the first modern atomic theory.
Ernest Rutherford
John Dalton
JJ Thomson
Democritus
111
What did Thomson use to make his discovery?
oil drops
lead box
alpha particles
the cathode ray tube and magnets
112
Round to the least precise measurement: 14.896 m³/ 1.2 m =
12.4 m2
12.413 m2
12.41 m2
12 m2
113
The mass of an electron is
about equal to a neutron
very large compared to the neutron
almost the same as a proton
very small compared to the proton
114
salt (NaCl)
compound
element
heterogeneous mixture
homogeneous mixture
115
Write the electron configuration for Al.
1s22s22p63s13p5
1s22s22p63s13p2
1s22s23s22p63p1
1s22s22p63s23p1
116
Which rule states that you need to distribute the electrons in order of increasing energy?
Pauli exclusion principle
Quantum mechanical
Aufbau principle
Hund's rule
117
Which subatomic particle has a neutral charge?
nucleus
neutron
proton
electron
118
Chemistry is the study of....
The composition, structure, properties, and changes of matter
behavior of animal
rocks, earth layers, and fossils
weather phenomena
119
Hardness
Intensive Property
Extensive Property
120
Who described the model of the atom as having fixed, circular paths called orbitals?
Schrodinger
Bohr
J.J. Thomson
Dalton
121
Scientist who proposed that electrons orbit the nucleus in the exact Orbits:
Thomson
Bohr
Dalton
Rutherford
122
Which group is very unreactive?
alkaline earth metal family
noble gas family
alkali metal family
halogen family
123
Luster (sheen or glow of a reflective surface)
Intensive Property
Extensive Property
124
Identify the following element from its configuration: 1s²2s²2p⁶3s²3p⁶4s²3d²
calcium
vanadium
titanium
lead
125
Who's model of the atom is represented by a tiny solid sphere?
Thomson
Dalton
Aristotle
Democritus
126
a definite volume and indefinite shape
solid
gas
liquid
plasma
127
Convert 56.3 calories to Joules.
235.5 Joules
235.6 Joules
13.5 Joules
13.4 Joules
128
Calculate the average atomic mass: 34.969 amu = 75.77% and 36.966 amu = 24.23%
35.45 amu
27.43 amu
36.46 amu
17.00 amu
129
Density of the substance
Intensive Property
Extensive Property
130
the result of a physical change
compound
mixture
131
Solve the following: (15.6 x 10²) x (4.6 x 10⁴)
7.176 x 107
7.176 x 10-2
71.76
71.76 x 100
132
Solve the following: (1.2 x 10⁶) / (5.6 x 10³)
0.21 x 103
2.1 x 10-1
2.1 x 102
2.1 x 109
133
An isotope contains the same number of _____, but a different number of _____.
electrons, protons
tachyons, baryons
quarks, mesons
protons, neutrons
134
How many significant figures are in the following number: 1000 mL = 1 L
2
unlimited
1
5
135
The electron configuration represents an element in what category? 1s²2s²2p⁶3s²3p⁶4s²3d¹
group A element
transition metal
noble gas
inner transition metal
136
Who used the example of cutting bread to explain what he believed about matter?
Aristotle
Dalton
Thomson
Democritus
137
copper (Cu)
element
heterogeneous mixture
compound
homogeneous mixture
138
What is the volume of a sugar cube if the dimensions are 2 cm long, 3 cm tall, and 4 cm wide?
10 cm3
25 cm3
24 cm3
9 cm3
139
At the center of every atom lies a small, dense __________ that is positively charged.
cloud
neutron
orbital
nucleus
140
Which sublevel has a dumbbell shape?
d
p
f
s
141
What is the maximum number of electrons that the "p" sublevel can hold?
14
10
6
2
142
Who conducted the oil drop experiment?
Thomson
Chadwick
Millikan
Rutherford
143
Zinc metal burns in air to form zinc oxide.
Physical Change
Chemical Change
144
Leaves changing color in the fall.
Physical Change
Chemical Change
145
Which subatomic particle has the least mass?
nucleus
electron
neutron
proton
146
has a variable or changing composition
compound
mixture
element
147
The study of how the flu infect healthy cells.
analytical chemistry
biochemistry
physical chemistry
inorganic chemistry
148
What is the maximum number of electrons that can occupy the d sublevel?
14
10
6
2
149
Which 2 subatomic particles are nearly the same size?
protons and electrons
electrons and neutrons
protons and neutrons
150
Which subatomic particle is NOT found in the center of the atom?
electrons
neutrons
nucleus
protons
151
Which sublevel is associated with a spherical shape?
s
d
f
p
152
How many protons, neutrons, and electrons are in an atom of mercury?
10, 10, 10
74, 110, 74
12, 12, 12
80, 121, 80
153
What is the atomic number of bromine?
17
80
35
79.904
154
Which subatomic particle is involved in a chemical reaction?
electron
none
neutron
proton
155
The element iodine is a
Period 5 halogen
Period 5 alkali metal
Period 4 halogen
Period 5 transition metal
156
Our modern understanding of the atom was described by
Dalton
Schrodinger
Bohr
Rutherford
157
What did Democritus believe about matter?
matter does not exist
matter is made up of tiny indivisible particles called atoms
it was created by the sun gods
there are 4 basic elements of matter
158
Which of the following elements of the metalloid?
Selenium
Arsenic
Potassium
Bromine
159
A student is playing darts. They hit the bull's-eye 3 times out of three. What are they?
both accurate and precise
only precise
only accurate
neither, accurate or precise
160
Identify the element - 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p¹
Ga
As
Ge
Br
161
How many P, E, and N does an atom with atomic number 50 and a mass number of 120 contain?
50 protons, 50 electrons, and 70 neutrons
70 electrons, 50 protons, and 50 neutrons
70 neutrons, 70 protons, and 50 electrons
120 neutrons, 50 protons, and 70 electrons
162
Combustibility is a...
Chemical Property
Physical Property
163
The alkali metals do not include:
Rubidium
Lithium
Calcium
Sodium
164
Metals tend to be malleable and ductile.
Physical Property
Chemical Property
165
Which group on the periodic table is the most reactive and reacts highly with water?
alkaline earth metal family
alkali metal family
noble gas family
halogen family
166
iron (Fe)
element
heterogeneous mixture
homogeneous mixture
compound
167
Odor of the substance
Intensive Property
Extensive Property
168
If the density of chloroform is 1.49 g/cm³, what is the volume of 25 g of chloroform?
0.06 cm3
16.8 cm3
29.7 cm3
37.25 cm3
169
milk
homogeneous mixture
element
compound
heterogeneous mixture
170
How many significant figures are in the following number: 1600
1
4
2
3
171
Put the following number in scientific notation: 0.00089
0.89 x 103
8.9 x 10-4
0.89 x 10-3
8.9 x 104
172
Greek philosopher who was the first to propose the idea of Atoms:
Rutherford
Dalton
Thomson
Democritus
173
JJ Thomson discovered the
proton
nucleus
electron
neutron
174
a definite shape and volume
solid
gas
plasma
liquid
175
chemically bonded
mixture
compound
176
Ductility - material may be stretched into a wire
Intensive Property
Extensive Property
177
Convert 117 grams to kilograms.
11.7 kg
0.0117 kg
117,000 kg
0.117 kg
178
The scientist who conducted the gold foil experiment and discovered the nucleus:
Democritus
Dalton
Thomson
Rutherford
179
How many significant figures are in the following number: 1600.0
5
3
2
4
180
indefinite shape and volume
gas
liquid
plasma
solid
181
Length
Intensive Property
Extensive Property
182
Volume
Extensive Property
Intensive Property
183
If the density of an object was 1.05 g/cm³ and the mass was 48.2 g, what is the volume?
0.02 cm3
50.61 cm3
45.9 cm3
17.8 cm3
184
If the mass of an object is 24.5 kg and the volume is 58.6 cm³, what is the density?
0.418 g/cm3
418.1 g/cm3
2.39 g/cm3
0.002 g/cm3
185
made up of one type of material
mixture
pure substance
186
Convert 23.7 picometers to nanometers.
23.700 nm
23,700 nm
0.0237 nm
2.37 nm
187
Electron affinity is:
The amount of energy required to remove an electron
Half the distance between the nuclei of two identical atoms
The energy absorbed or released in order to add an electron
The max # of electrons in the outer distribution of an Atom
188
Who discovered the proton?
JJ Thomson
Chadwick
Goldstein
Millikan
189
Round to the least precise measurement: 0.25 g x 12.6 g =
3.15 g2
3.1 g2
3 g2
3.2 g2
190
"Magnetism" is a...
Chemical Property
Physical Property
191
Malleability - the ability of a solid to bend or be hammered into other shapes without breaking
Extensive Property
Intensive Property

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